flora neotropica - CNCFlora

64 Flora Neotropica
Additional Notes and Descriptions
of Species of Couepia
Distribution of Couepia as a whole is shown
in Figure 96.
yellow-brown-pubescent within.
50. C. robusta.
75. Leaf with finely pointed acumen, 8-14
mm long, the lower surface gray-pubescent;
calyx lobes gray-pubescent on both
surfaces. 54. C. froesii.
In Prance (1981) the circumscription of this
species was changed considerably from that in
Prance (1972). Three species recognized in 1972
were merged and are treated as subspecies of this
now rather well defined but variable species.
6-1. Couepia guianensis Aublet, Hist. pl. Guiane
1: 519, t. 207. 1775. Type. French Guiana. Key ta Subspecies of Couepia guianensis
Aublet s.n. (lectotype, BM).
1. Infloresnces of racemes (rarely with a few short
Acia amara Willdenow, Linn, Sp. pi. ed. 4. 3(1): 7117. branctsB bearing 2 flowers), usually in at least 3
1800.
axils bulw the apex of branch; leaf lamina 9-
Acioa amara Steudel, NomencLf bot. ed. 1. 9. 1821.. 16.3 crmlksng, chartaceous; petioles 6-9 mm long,
Moquilea couepia Steudel, Nomeid. bot. ed. 2.2: 15. receptadleatways narrowly cylindrical. Plants of
1849.
terra firnrm. a. subsp. guianensis.
1. Infloresemmes of panicles, usually only 1 or 2
Tree to 25 m tall, the young branches puber- axils beliw apex; leaf lamina 5-10.5 cm long,
ulous, soon becoming glabrous. Leaf lamina ob- coriaceoussa chartaceous; petioles 3-6 mm long;
receptacle
long to oblong-lanceolate, membranous to coc%lindrical
or subcampanulate. Plants
of terra firme or flooded river banks.
riaceous, 4.5-16.5 x 2.5-5.5 cm, rounded to 2. Leaves chartaceous, the underside glabrous
subcuneate at base, acuminate at apex, the acu- or sparsely pubescent, plants of flooded river
men 5-18 mm long, glabrous above, densely
banks.
grayb.
subsp. glandulosm.
2. Leaves
to brown-lanate, or glabrous, or with a thickLy coriaceous, the undersidte
sparse
densely lanate-lgpuescent, plant ofterra firme:.
caducous pubescence beneath, frequently with
c.. subsp. divaricatm.
two glands atjunction with petioae; primary veiins
10-15 pairs, plane above, prominent beneath;
6-la.
midrib prominulous above, prominent beneath;
Couepia g_i ensis AutIlf subsp. _punensis.
petioles 3-9 mm long, canaliculate
Fig.. isM.
above, pubescent
when young, becoming glabrous and ru- Couepia leptostachyi Bentham ex Hooker f., FR. lmas.
gose with age. Stipules 1-3 mm long, linear, early 14(2): 44.. 1867. Type. Brazil. Amazonas: Maumus
caducous. Inflorescences terminal and (fl), Spruce 15(hiolotype, K; isotypes, BM, Q,GGE,
axillary GOET, LE, M1 NY, OXF, P))
little-branched panicles or racemes, the rachis Couepia IvtolorBenoist, Bull Mus. Hist. NatL (aris)
and branches sparsely puberulous to glabrous. 29: 596. 1923. Type. French Guiana (fl), M&linon
Bracts and bracteoles minute, membranous, s.n. (holotype, P).
ovate, caducous. Receptacle cylindrical to sub- Couepiasurinamensis Kleinhoonte, Recueil Trav. Bot.
Needr 22: 390. 1925.
campanulate, 4.5-10(12) mm long, 1-2.5 mm
Type. Surinam. Sectie O (fl),
B. W. 3080 (lectotype, U; isolectotypes, K, NY).
broad below calyx, sparsely puberulous to glabrous
externally, glabrous within except for de- Leaf lamina chartaceous, 9-16.3 cm long, the
flexed hairs around throat; pedicels 0.5-4 mm lower surface densely lanate-pubescent; petioles
long. Calyx lobes five, rounded, 2-2.5 mm long, 6-9 mm long. Inflorescence mainly of terminal
puberulous or glabrous externally. Petals five, axillary racemes, usually in several axils below
white, ciliate. Stamens 14-30, unilateral, insert- the apex, a few with short branches bearing two
ed around half of a circle with short staminodes or three flowers. Receptacle 7-12 mm long, alopposite
them. Ovary villous. Style pubescent ways narrowly cylindrical. Plants of terra firme.
for at least half its length. Fruit rounded to ovoid,
3-4 cm long, 2.5-3 cm broad; exocarp smooth, 6-lb. Couepia guianensis Aublet subsp. glanglabrous;
mesocarp thin, fleshy; endocarp thin, dulosa (Miquel) Prance, Brittonia 33: 350.
fragile, granular in texture, glabrous within. 1981. Fig. 105.